Comparison

SuperNote vs Secret Diary

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SuperNote

This app combines note-taking, drawing, and task management in a single, user-friendly interface. Organize ideas with rich text formatting, insert images, and create detailed to-do lists with subtasks and reminders. Export your work as PDFs or high-definition images for easy sharing.

Highlights
  • Rich text editing
  • Image and drawing insertion
  • Unlimited note categories
  • PDF and image export
  • iCloud multi-device sync
  • Subtask management
  • Reminders and widgets
Features
Read full description

SuperNote is an all-in-one app for notes, drawing, and to-do reminders. • Rich text editing: format text with clear hierarchy and emphasis. • Free image-text mixing: insert images anytime, or draw and insert sketches. • Unlimited categories: organize notes without folder limits. • Export: save as HD long image or PDF for reports, sharing, and creation. • iCloud sync: native multi-device sync via iCloud, no third-party server relay. • Subtasks: break down to-dos and mark each status separately. • Reminders & widgets: set notifications and view tasks at a glance. • Clean design, easy to use yet powerful. Privacy Policy: https://daydayup-tlj.github.io/Supernote/privacy_en.html Terms of Service: https://daydayup-tlj.github.io/Supernote/agreement_en.html

About

Secret Diary

A secure, offline digital journal that prioritizes your privacy. Store thoughts locally with robust encryption and multimedia support. Export entries as PDFs for complete data ownership.

Highlights
  • True offline functionality
  • Local encryption with Face ID/Touch ID
  • Multimedia entries with multiple images
  • Calendar heatmap for recording frequency
  • Gentle, customizable writing reminders
  • One-click encrypted PDF export
Read full description

[Why Choose Us] Your private thoughts should never be stored on someone else's servers. In an era of frequent data breaches, we built a diary App that goes against the trend: • True Offline: No network permissions required. We do not request access to your location, contacts, or photos. Even the developers cannot access your words. • True Local Encryption: Supports Face ID, Touch ID, and password triple lock screen. Encryption protection helps reduce privacy risks if your phone is lost. • True Data Ownership: All diaries are stored only on your device. Support one-click export of encrypted PDFs, giving you full control over device switching and backups. [More Than Safe, A Recording Partner That Understands You] • Immersive Timeline: Say goodbye to cluttered lists and review your past like flipping through a life album. • Multimedia Diary: Each entry supports multiple images, giving your memories visuals and context. • Calendar Heatmap: See your recording frequency at a glance and fight forgetfulness with persistence. • Gentle Reminders: Customize your writing time. No interruptions, no pressure, only appearing when you need it. [Our Firmest Privacy Commitment] • Zero Network Requests: Verifiable anytime in settings. Absolutely no background uploads. • Zero Third-Party SDKs: No ad tracking, no data analytics, no social logins. • Your Data Belongs to You Forever: Even if the App is removed from the store, exported PDFs remain readable permanently. • Important Notice: Due to pure local storage, uninstalling the App will erase all data. Please regularly use the Export PDF feature to back up precious memories. Your data should be managed by you alone. [To You, Seeking a Place of Peace] We do not chase user numbers. We only wish to be a trusted sanctuary for the few. If you are tired of cloud sync anxiety, pop-up ads, and lengthy privacy policies, welcome back to this quiet corner that belongs only to you. For any suggestions or questions, please contact us via the email below. We read every single piece of feedback carefully: mailto:yctou2026@163.com

Screenshots

SuperNote4 screens
Secret Diary4 screens

Verdict

The call

The clearest difference is price: SuperNote at Free against Secret Diary's $0.99. SuperNote also leads on update cadence (fortnightly vs monthly). Secret Diary's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

SuperNote is free to download; Secret Diary costs $0.99 up front. SuperNote sells 2 in-app purchases, starting at $4.99 per year. Secret Diary asks for nothing beyond the download.

UpkeepUpdate frequency

SuperNote ships an update fortnightly, Secret Diary monthly. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

Scorecard4 real differences · 6 level
SuperNote versus Secret Diary: the parameters behind the verdict, then further details
ParameterSuperNoteSecret Diary
PriceFree — better$0.99
Rating5.0 (3 ratings) — better—
Positive reviews—100.0% of reviews
Number of ratings3 — better—
Update frequencyFortnightly — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.6
Further details — not scored
Size30 MB8 MB
Age rating4+9+
Developer亮军 涂景 刘

Customer experience

SuperNote

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Secret Diary

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

SuperNote

Subscriptions1
  • Year VIP3 Days trial$4.991 Year
One-time1
  • Lifetime Membership$7.99
None

Secret Diary

No in-app purchases

Questions

Is SuperNote free?
SuperNote is free to download, with in-app purchases available.
Is Secret Diary free?
Secret Diary costs $0.99, with no in-app purchases.
Do SuperNote or Secret Diary have ads?
Neither SuperNote nor Secret Diary shows ads.
Which is updated more often, SuperNote or Secret Diary?
SuperNote ships an update fortnightly, and Secret Diary monthly. Most recently, SuperNote was updated on October 7, 2026 and Secret Diary on October 13, 2026.

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